public SquadViewModel()
{
var players = TeamSquadHelper.GetSquad();
this.Players = players.Select(x => new PlayerViewModel {
Ability = x.Ability, DateOfBirth = x.DateOfBirth, Height = x.Height, Name = x.Name, Nationality = x.Nationality, Value = x.Value, Position = x.Position, Potential = x.Potential
}).ToList();
CurrentSquad = new CollectionViewSource {
Source = TacticsPositions
}.View;
CurrentSquad.Filter = x => x != null;
CurrentSquad.SortDescriptions.Add(new SortDescription("TacticsPosition", ListSortDirection.Descending));
Formation = new int[11] {
27, 24, 23, 21, 20, 14, 13, 11, 10, 3, 1
}.Select(x => (TacticsPosition)x).ToArray();
foreach (var x in Formation)
{
TacticsPositions[(int)x] = new PlayerViewModel()
{
TacticsPosition = x
};
}
CurrentSquadPositions = new ObservableCollection <TacticsPosition>(TacticsPositions.Where(x => x != null).Reverse().Select(x => x.TacticsPosition));
//not positioned
CurrentSquadPositions.Add(TacticsPosition.NP);
ModifyCurrentSquadCommand = new RelayParameterizedCommand(ModifyCurrentSquad);
RemoveFromCurrentSquadCommand = new RelayParameterizedCommand(RemoveFromCurrentSquad);
}
private void RemoveFromCurrentSquad(object parameter)
{
//method invoked in ModifyCurrentSquad
if (parameter is Tuple <PlayerViewModel, RemoveFromSquadOption> )
{
Tuple <PlayerViewModel, RemoveFromSquadOption> tuple = (Tuple <PlayerViewModel, RemoveFromSquadOption>)parameter;
int indexToRemove = TacticsPositions.IndexOf(tuple.Item1);
if (tuple.Item2.Equals(RemoveFromSquadOption.RemovePlayer))
{
//replacing real player by dummy one for proper tactics display
TacticsPositions[indexToRemove] = new PlayerViewModel {
TacticsPosition = (TacticsPosition)indexToRemove
};
}
else if (tuple.Item2.Equals(RemoveFromSquadOption.RemovePosition))
{
//removing position
TacticsPositions[indexToRemove] = null;
}
}
//method invoked by button onclick event in SquadPage.xaml
else if (parameter is PlayerViewModel)
{
PlayerViewModel p = (PlayerViewModel)parameter;
//removing player
p.TacticsPosition = TacticsPosition.NP;
if (!this.IsInTactics)
{
ModifyCurrentSquad(p);
}
}
}
private void ModifyCurrentSquad(object parameter)
{
if (parameter is PlayerViewModel)
{
PlayerViewModel p = (PlayerViewModel)parameter;
//if we want to add player or change his position
if (p.TacticsPosition > TacticsPosition.NP)
{
//new index of player in tactics
int index = (int)p.TacticsPosition;
//player in current squad, we want to change his position
if (TacticsPositions.Contains(p))
{
//new position is not in current tactics, we have to remove previous position
if (TacticsPositions[index] == null)
{
RemoveFromCurrentSquad(Tuple.Create(p, RemoveFromSquadOption.RemovePosition));
}
//new position is in current tactics but is busy by another player so we have to swap position between two players
else if (TacticsPositions[index].Name != null)
{
//old index of Player p in tactics
int tempIndex = TacticsPositions.IndexOf(p);
if (TacticsPositions[index].TacticsPosition != (TacticsPosition)tempIndex)
{
//we have to move another player to old Player p position, SelectionChanged will be invoked
TacticsPositions[index].TacticsPosition = (TacticsPosition)tempIndex;
//or we will do it by ourselves if there is no TacticsViewModel which ownes this SquadViewModel
if (!this.IsInTactics)
{
ModifyCurrentSquad(TacticsPositions[index]);
}
}
}
//new position is free and in current tactics, we have to remove player from his previous position
else
{
RemoveFromCurrentSquad(Tuple.Create(p, RemoveFromSquadOption.RemovePlayer));
}
}
//player not in current squad, we want to add him
else
{
//player can be add only to one of 11 positions in current tactics
if (TacticsPositions[index] == null)
{
return;
}
//there is another player at this position
else if (TacticsPositions[index].Name != null)
{
//we have to remove another player, SelectionChanged will be invoked
TacticsPositions[index].TacticsPosition = TacticsPosition.NP;
}
}
//finally we add player to his new position in squad
TacticsPositions[index] = p;
}
//we want to remove player from squad
else if (p.TacticsPosition == TacticsPosition.NP)
{
int index = TacticsPositions.IndexOf(p);
//if player is in squad we gonna remove him
if (index > -1)
{
RemoveFromCurrentSquad(Tuple.Create(TacticsPositions[index], RemoveFromSquadOption.RemovePlayer));
}
}
}
}